10646155 has 24 divisors (see below), whose sum is σ = 14203728. Its totient is φ = 7652736.

The previous prime is 10646143. The next prime is 10646159. The reversal of 10646155 is 55164601.

It is not a de Polignac number, because 10646155 - 2⁵ = 10646123 is a prime.

It is a super-2 number, since 2×10646155² = 226681232568050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10646159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36189 + ... + 36481.

It is an arithmetic number, because the mean of its divisors is an integer number (591822).

Almost surely, 2^10646155 is an apocalyptic number.

10646155 is a deficient number, since it is larger than the sum of its proper divisors (3557573).

10646155 is a wasteful number, since it uses less digits than its factorization.

10646155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10646155 is about 3262.8446178143. The cubic root of 10646155 is about 219.9872926545.

It can be divided in two parts, 10646 and 155, that added together give a palindrome (10801).

The spelling of 10646155 in words is "ten million, six hundred forty-six thousand, one hundred fifty-five".